될 텐데

would be

→ 되다

phrase Rare #15,907

would be Expresses an expectation or hypothetical situation, often with a sense of regret or an implied contrast: “it should be...” or “it would be..., but...”

KO: 한 시간이면 충분히 될 텐데.

EN: An hour should be enough.

먹어도 될 텐데

You should be able to eat it.

— 반딧불의 묘 (1988)

한 시간 이면 될 텐데

It should take about an hour.

— 이반의 어린 시절 (1962)

손수레 라도 있으면 도움이 좀 될 텐데

It would help if we at least had a handcart.

— 프린세스 브라이드 (1987)